LogixPro PLC Lab Manual for Programmable Logic Controllers
5th Edition
ISBN: 9781259680847
Author: Frank D. Petruzella
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 11, Problem 1RQ
Explain the function of math instructions as applied to the PLC.
Expert Solution & Answer
Program Plan Intro
Programmable Logic Controller (PLC):
- Programmable Logic Controller (PLC) is a specialized computer used in industrial segments to control machines and process.
- PLC is program that consists of a set of instructions which resembles the controlling functions needed to perform specific tasks.
- The function of PLC is similar to that of a relay and hence, in an industrial segment a relay is greatly replaced by a suitable PLC.
- When compared to general Personal Computer (PC), a PLC is available in small and tiny sizes.
- The basic architecture of a PLC consists of an input-output interface module and a small Central Processing Unit (CPU) that runs by controlling programming language.
Math instruction:
- Math instructions refer to all output instructions that uses the data of two words or registers and perform the desired function.
- Math instructions are program based on the type of processor used.
Explanation of Solution
Function of math instructions:
- The data manipulation instructions are almost similar to math instructions.
- The math instruction allows the PLC to take on more of conventional computer qualities.
- Math instructions are normally used to perform arithmetic functions on the values stored in memory words or registers.
- Some of the examples include combining parts involved, calculating run rates, etc.
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Chapter 11 Solutions
LogixPro PLC Lab Manual for Programmable Logic Controllers
Ch. 11 - Explain the function of math instructions as...Ch. 11 - Prob. 2RQCh. 11 - What standard format is used for PLC math...Ch. 11 - Prob. 4RQCh. 11 - Prob. 5RQCh. 11 - Prob. 6RQCh. 11 - Prob. 7RQCh. 11 - Prob. 8RQCh. 11 - Prob. 9RQCh. 11 - Prob. 10RQ
Ch. 11 - With reference to the instruction of Figure 11-34,...Ch. 11 - With reference to the instruction of Figure 11-35,...Ch. 11 - Prob. 1PCh. 11 - Prob. 4PCh. 11 - Prob. 5PCh. 11 - Prob. 7PCh. 11 - Prob. 8PCh. 11 - With reference to math instruction program shown...Ch. 11 - With reference to the math instruction program...Ch. 11 - Prob. 11PCh. 11 - Prob. 12P
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